Unit 4 3 Period 3 Discovering Useful Structures（课件PPT）-【学霸笔记·同步精讲】2025-2026学年高中英语必修第三册（人教版）

该高中英语课件聚焦动词不定式作定语和状语的用法及形式规则，通过英文对话导入，对话中含不定式实例，先引导感知不定式的一般式、完成式等形式，再深入讲解定语和状语的语法规则，构建循序渐进的学习支架。 其亮点在于采用“感知经典+明悉规则+即时检验”三维教学模式，结合教材例句（如Gagarin成为进入太空第一人等）帮助理解，练习涵盖语法填空、功能判断及写作应用，有效提升学生语言能力和思维品质，学生能巩固语法并应用于写作，教师可高效开展语法教学。

Period 3　Discovering Useful Structures 动词不定式作定语和状语 返回导航 要义详析 探究语法 1 课堂微练 即时检验 2 内 容 索 引 要义详析 探究语法 PART 01 第一部分 一、动词不定式的各种形式   (1)(教材P40)Today, scientists design vehicles to carry astronauts into space to make important discoveries.　如今，科学家们研制出飞行器将宇航员送入太空进行重大发现。 (2)We take it for granted that everyone should have the chance to be educated. 我们认为人人都应该有受教育的机会是理所当然的。 返回导航 (3)We consider ourselves privileged to have been invited to give a speech here. 我们认为受邀到这里演讲是我们的荣幸。 (4)The boy pretended to be reading when the teacher came in. 老师进来时，男孩假装在看书。 返回导航   主动语态 被动语态 意　义 一般式 to do to be done 表示动作与谓语动词所表示的动作同时发生或发生在谓语动词所表示的动作之后 完成式 to have done to have been done 表示动作发生在谓语动词所表示的动作之前 进行式 to be doing   表示动作与谓语动词所表示的动作是同时发生的，而且正在进行 返回导航 二、动词不定式作定语   (1)(教材P40)On 12 April 1961, Yuri Gagarin became the first person in the world to enter space. 1961年4月12日，尤里·加加林成为世界上第一个进入太空的人。 返回导航 (2)(教材P41)However, while such disasters brought much sadness and disappointment, the desire to explore the universe did not die. 然而，尽管这样的灾难带来了许多悲伤和失望，探索宇宙的渴望却永不磨灭。 (3)He is known for his ability to speak four languages. 他以会说四种语言而闻名。 (4)He finally found a good house to live in. 他终于找到了一所好房子住。 返回导航 1．动词不定式作定语时，修饰名词或代词，动词不定式和它所修饰的词之间有逻辑上的动宾关系、主谓关系、动状关系或同位关系，动词不定式位于所修饰的词之后。 2．动词不定式作定语可表示还未发生的动作。 3．序数词、形容词最高级或the last、the only、the next等后常用动词不定式作定语。 返回导航 4．抽象名词attempt、ability、chance、desire、determination、decision、plan、way或不定代词something、nothing等后常用动词不定式作定语。 5．如果动词不定式中的动词是不及物动词，后面应有相应的介词。 返回导航 三、动词不定式作状语   (1)(教材P41)Then Shenzhou 6 and 7 completed a second manned orbit and the first Chinese spacewalk, followed by the vehicle Jade Rabbit being sent to the moon to study its surface. 之后，“神舟六号”和“神舟七号”分别完成了第二次载人环绕地球飞行和中国人的第一次太空漫步。紧接着，“玉兔号”月球车抵达月球，开展对月球表面的研究。 返回导航 (2)They were very surprised to be informed of the news. 他们听到这个消息感到非常惊讶。 (3)Mr.Green hurried to the store, only to find it was closed. 格林先生匆忙赶到商店，结果发现它关门了。 返回导航 动词不定式在句中作状语时，主要用来表示目的、原因及结果等。 1．作目的状语时，常置于句首或句末，置于句首时常表示强调。为加强语气，常与in order或so as组成短语(so as to do...不置于句首)。 2．作原因状语时，常见于“sb.＋be＋adj.＋to do...”结构中。 3．作结果状语时，常见于“too...to...”“enough to...”“so/such...as to...(如此……以至于……)”“only to do(表示意料之外的结果)”结构中。 返回导航 现在分词(短语)作结果状语多表示自然而然的结果，即句子谓语和结果状语之间有直接的因果关系。 返回导航 课堂微练 即时检验 PART 02 第二部分 Ⅰ.单句语法填空 1．I'm sorry ___________(take) up so much of your valuable time. 2．I am honoured ______________________(invite) to give you a lecture here. 3．The plum trees are the first ___________(flower) even as the snow is melting. 4．His ability ___________(get) on well with people is his chief advantage. to take to be invited to flower to get 返回导航 5．However, if you're shopping for one, buying extra __________(benefit) from price reductions doesn't make sense. 6．These courses offer us opportunities ___________(improve) our abilities to appreciate art. 7．Yesterday I went to see her, only ___________(learn) that she had gone abroad a week before. 8．In many homes in the UK, the first person ___________(wake) up has to make tea for the family. to benefit to improve to learn to wake 返回导航 9．The airport ______________________(complete) next year will help promote tourism in this area. 10．We're all changing and learning all the time and mistakes are a positive way___________ (develop) and grow. 11．Carol was happy that she had the chance __________________(experience) the life in the city. to be completed to develop to experience 返回导航 Ⅱ.写出下列句子中不定式的语法功能 1．Have you got anything to say at the meeting？___________ 2．The suitcase is too heavy to be carried by a child. ________________ 3．The whole family came out to see my performance. ________________ 4．The best way to learn English is practice. ___________ 作定语 作结果状语 作目的状语 作定语 返回导航 5．You will never know how happy I was to see her yesterday. ______________________ 6．The soil contains materials to keep the natural balance of the area. ___________ 7．The father was surprised to learn that his son spent money like water. ______________________ 8．On land with rich soil，local farmers can grow crops to make a living. ______________________ 作原因状语 作定语 作原因状语 作目的状语 返回导航 Ⅲ.语法与写作 1．他急急忙忙赶到售票处，却被告知已经没有票了。 He hurried to the ticket office, only ____________________________． 2．我建议我们下周再会面以进一步讨论这个项目。 I suggest we meet again next week ___________________________． to be told no ticket was available to discuss the project further 返回导航 3．为了帮助同学们学好英语，我们已决定为你们学校捐赠一批图书。 _________________________________, we have decided to donate some books to your school. 4．我写信邀请你和我们一起参加将在我们学校举办的“外国学生讲中国故事”活动。 I'm writing to invite you to join us in the “Foreign Students Tell Chinese Stories” ______________________． To help students to learn English better to be held in our school 返回导航 5．明天出席开幕式的所有老师都应该穿制服。 All the teachers _________________________________ tomorrow should wear uniforms. 6．得知美术馆下个月将举办中国画展览，我写信申请当一名志愿者。 Knowing a Chinese painting exhibition will be held at the gallery next month, ____________________________________________． 7．去年寒假，我和父亲一起去乡下看望了我的祖父母。 During my last winter holiday, I went to the countryside with my father______________________ ． to attend the opening ceremony I am writing to apply to become a volunteer to visit my grandparents 返回导航 $